nested accessors on the lhs of the memberOf (or not memberOf) operator lead to an exception ------------------------------------------------------------------------------------------- Key: JBRULES-1142 URL: http://jira.jboss.com/jira/browse/JBRULES-1142 Project: JBoss Rules Issue Type: Bug Security Level: Public (Everyone can see) Affects Versions: 4.0.0.GA Environment: Windows XP, Java 1.5, Drools 4.0.0.GA Reporter: andreas kinell Assigned To: Mark Proctor nested accessors on the lhs of the memberOf (or not memberOf) operator lead to an exception: business logic (pseudocode): class Position { private Instrument instrument; } class Instrument { private Currency currency; } with getters and setters. rule: $collection : Collection() $position : Position(instrument.currency not memberOf $collection) exception: org.drools.RuntimeDroolsException: Exception executing predicate org.drools.base.mvel.MVELPredicateExpression@1f99eea at org.drools.rule.PredicateConstraint.isAllowedCachedLeft(PredicateConstraint.java:212) at org.drools.common.SingleBetaConstraints.isAllowedCachedLeft(SingleBetaConstraints.java:110) at org.drools.reteoo.JoinNode.assertTuple(JoinNode.java:119) at org.drools.reteoo.SingleTupleSinkAdapter.propagateAssertTuple(SingleTupleSinkAdapter.java:20) at org.drools.reteoo.JoinNode.assertObject(JoinNode.java:162) at org.drools.reteoo.CompositeObjectSinkAdapter.propagateAssertObject(CompositeObjectSinkAdapter.java:317) at org.drools.reteoo.ObjectTypeNode.assertObject(ObjectTypeNode.java:168) at org.drools.reteoo.Rete.assertObject(Rete.java:168) at org.drools.reteoo.ReteooRuleBase.assertObject(ReteooRuleBase.java:190) at org.drools.reteoo.ReteooWorkingMemory.doInsert(ReteooWorkingMemory.java:70) at org.drools.common.AbstractWorkingMemory.insert(AbstractWorkingMemory.java:848) at org.drools.common.AbstractWorkingMemory.insert(AbstractWorkingMemory.java:822) at org.drools.common.AbstractWorkingMemory.insert(AbstractWorkingMemory.java:623) at test.RuleTest.testRuleEngine1(RuleTest.java:99) Caused by: java.lang.ClassCastException: test.Currency at org.drools.base.mvel.MVELPredicateExpression.evaluate(MVELPredicateExpression.java:36) at org.drools.rule.PredicateConstraint.isAllowedCachedLeft(PredicateConstraint.java:206) ... 33 more -- This message is automatically generated by JIRA. - If you think it was sent incorrectly contact one of the administrators: http://jira.jboss.com/jira/secure/Administrators.jspa - For more information on JIRA, see: http://www.atlassian.com/software/jira